Super-Eddington Accretion in the WISE-selected Extremely Luminous Infrared Galaxy W2246-0526

ASTROPHYSICAL JOURNAL

dc.creatorTsai, Chao-Wei
dc.creatorEisenhardt, Peter R M
dc.creatorJun, Hyunsung D
dc.creatorWu, Jingwen
dc.creatorAssef-Trebilcock, Roberto José Javier
dc.creatorBlain, Andrew W
dc.creatorDiaz-Santos, Tanio
dc.creatorJones, Suzy F
dc.creatorStern, Daniel
dc.creatorWright, Edward L
dc.creatorYeh, Sherry C C
dc.date2021-08-23T22:56:43Z
dc.date2022-07-07T02:37:51Z
dc.date2021-08-23T22:56:43Z
dc.date2022-07-07T02:37:51Z
dc.date2018
dc.date.accessioned2023-08-23T00:20:47Z
dc.date.available2023-08-23T00:20:47Z
dc.identifier1151408
dc.identifier1151408
dc.identifierhttps://hdl.handle.net/10533/251924
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/8354779
dc.descriptionWe use optical and near-infrared spectroscopy to observe rest-UV emission lines and estimate the black hole mass of WISEA J224607.56-052634.9 (W2246-0526) at z = 4.601, the most luminous hot, dust-obscured galaxy yet discovered by WISE. From the broad component of the Mg II 2799 A emission line, we measure a black hole mass of log(M-BH/M-circle dot)= 9.6 +/- 0.4. The broad C IV 1549 A line is asymmetric and significantly blueshifted. The derived M-BH from the blueshift-corrected broad C IV line width agrees with the Mg II result. From direct measurement using a well-sampled SED, the bolometric luminosity is 3.6 x 10(14) L-circle dot. The corresponding Eddington ratio for W2246-0526 is lambda(Edd) = L-AGN/L-Edd = 2.8. This high Eddington ratio may reach the level where the luminosity is saturating due to photon trapping in the accretion flow and may be insensitive to the mass accretion rate. In this case, the MBH growth rate in W2246-0526. would exceed the apparent accretion rate derived from the observed luminosity.
dc.descriptionRegular 2015
dc.descriptionFONDECYT
dc.descriptionFONDECYT
dc.languageeng
dc.relationhandle/10533/111557
dc.relationhandle/10533/111541
dc.relationhandle/10533/108045
dc.relationhttps://doi.org/10.3847/1538-4357/aae698
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 Chile
dc.rightshttp://creativecommons.org/licenses/by-nc-nd/3.0/cl/
dc.rightsinfo:eu-repo/semantics/article
dc.rightsinfo:eu-repo/semantics/openAccess
dc.titleSuper-Eddington Accretion in the WISE-selected Extremely Luminous Infrared Galaxy W2246-0526
dc.titleASTROPHYSICAL JOURNAL
dc.typeArticulo
dc.typeinfo:eu-repo/semantics/publishedVersion


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